diff --git a/python/pyproject.toml b/python/pyproject.toml
index c3044451cb76..a401229b8996 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "azure-ai-projects ~= 1.0.0b12",
     "azure-ai-agents >= 1.2.0b3",
     "aiohttp ~= 3.8",
-    "cloudevents ~=1.0",
+    "cloudevents >=1,<3",
     "pydantic >=2.0,!=2.10.0,!=2.10.1,!=2.10.2,!=2.10.3,<2.14",
     "pydantic-settings ~= 2.0",
     "defusedxml ~= 0.7",